DIAMOND RIO 9-16K

Oil · District 08 · Lease #56334

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

357k BBL

Cum Gas

630k MCF

casinghead

Wells

1

Production

2021-06 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 356,831 BBL Cum Gas: 629,824 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

26,118 BBL/mo

Di (annual)

328.2%

b-factor

0.9

EUR

407,733 BBL

R-squared

0.891

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2809HPIONEER NATURAL RES. USA, INC.110,4762021-05-12